[CrashReport] UE4Editor_SlateCore!TArray<FHittestGrid::FCachedWidget,FDefaultAllocator>::Empty() [array.h:1530]

Tools - Nov 10, 2017

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Nearly all affected project names reference that this occ ...

If the DataLayerAsset name or asset path changes, Actors registered to it will ignore the DataLayer's settings

UE - World Creation - Worldbuilding Tools - Feb 5, 2023

If you change the DataLayerAsset name or asset path, all Actors registered with that DataLayer will ignore that DataLayer's settings. Specifically, even if you set the DataLayer to the Unloaded stat ...

Correct Morph Targets animate in PIE, but not in Standalone Game

OLD - Anim - Mar 5, 2015

Wrong morph targets are animating in standalone game, but the right ones play in PIE See the Additional Info URL for the user's description (and youtube video) Here is the project: [Link Removed] ...

EOS Voice plugin causes a crash after adding "DefaultPlatformService=EOS" to the DefaultEngine.ini then restarting the editor

UE - Online - Jan 10, 2022

This is not a regression. Doesn't affect UE5. The editor crashes on start up after enabling EOS Voice Chat, and updating the .ini to include DefaultPlatformService=EOS. Removing DefaultPlatformServ ...

Montage Section Links Don't Update When Section Deleted

UE - Anim - Gameplay - Mar 21, 2025

Hi there, I noticed that there is a problem with Montage Section links not updating when a section is deleted from a montage asset. We had a montage with a "Default" section and a "Loop" section. ...

Skeletal Meshes keep reference to unused Material IDs

UE - Editor - Content Pipeline - Import and Export - Sep 7, 2016

When importing a FBX with multiple materials and some of them are unused from their setup, they will still be referenced by the skeletal mesh in the Details Panel in the level editor, but in the Per ...

Scaling snap for selected object are reset to the origin of the scale pivot location

Tools - Apr 27, 2016

When scaling multiple selected actors in the scene with snap enabled the actors will reposition to the pivot origin of the last selected actor in the group when going down to a value of 0 or a negat ...

POM material triggers Video Driver Crash

UE - Graphics Features - Apr 26, 2016

When a POM decal material is applied to a decal actor in the scene the video driver will crash. This worked prior to 4.11.0 release. Only when the material is assigned to a decal actor will the vide ...

Crash: Changing Material Property Overrides of Material Instance

UE - Graphics Features - Dec 14, 2016

When a material has a static bool parameter AND this is overridden in a material instance, Trying to change Blend Mode or Shading Model under the Material Property Overrides crashes the editor. Thi ...

Deleting an asset is unsuccessful if the asset is marked for add when using Git source control

Tools - May 3, 2017

Deleting an asset that is marked for add when using the Git source control plugin no longer actually deletes the asset. Instead the file will be removed from the Content Browser (it actually stays i ...